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Product: NOAA Temp Drop (Dropsonde) Message (UZNT13 KWBC)
Transmitted: 13th day of the month at 17:23Z
Agency: National Oceanic and Atmospheric Administration (NOAA)
Aircraft: Gulfstream IV-SP (G-IV) (Reg. Num. N49RF)
Tropical Depression: Number 10 (flight in the North Atlantic basin)
Mission Number: 3
Observation Number: 09
Part A...
Date: Near the closest hour of 17Z on the 13th day of the month
Highest Mandatory Level For Which Wind Was Reported: 200mb
Coordinates: 18.8N 95.1W
Marsden Square: 046 ( About )
Surface and Standard Isobaric Surfaces
Level Geo. Height Air Temp. Dew Point Wind Direction Wind Speed
1001mb (29.56 inHg) Surface (Sea Level) 26.2°C (79.2°F) 23.8°C (75°F) 200° (from the SSW) 27 knots (31 mph)
1000mb 11m (36 ft) 26.2°C (79.2°F) 23.8°C (75°F) 200° (from the SSW) 27 knots (31 mph)
925mb 696m (2,283 ft) 21.4°C (70.5°F) 21.1°C (70°F) 215° (from the SW) 28 knots (32 mph)
850mb 1,429m (4,688 ft) 18.4°C (65.1°F) 17.1°C (63°F) 215° (from the SW) 26 knots (30 mph)
700mb 3,081m (10,108 ft) 12.0°C (53.6°F) About 7°C (45°F) 215° (from the SW) 32 knots (37 mph)
500mb 5,820m (19,094 ft) -3.5°C (25.7°F) -5.6°C (22°F) 260° (from the W) 23 knots (26 mph)
400mb 7,550m (24,770 ft) -14.1°C (6.6°F) -17.7°C (0°F) 265° (from the W) 12 knots (14 mph)
300mb 9,680m (31,759 ft) -28.3°C (-18.9°F) About -36°C (-33°F) 250° (from the WSW) 27 knots (31 mph)
250mb 10,960m (35,958 ft) -38.9°C (-38.0°F) About -50°C (-58°F) 260° (from the W) 25 knots (29 mph)
200mb 12,450m (40,846 ft) -51.9°C (-61.4°F) Reading usually unavailable when air temp. is below -40°C 285° (from the WNW) 13 knots (15 mph)
150mb 14,250m (46,752 ft) Height extrapolated since sonde was released within 25mbs below this level.
Information About Radiosonde:
- Launch Time: 17:03Z
- About Sonde: A descending radiosonde tracked automatically by satellite navigation with no solar or infrared correction.
Remarks Section...
Highest altitude where wind was reported:
- Location: 18.84N 95.08W
- Time: 17:03:56Z
Lowest altitude where wind was reported:
- Location: 18.89N 95.00W
- Time: 17:19:06Z
Mean Boundary Level Wind (mean wind in the lowest 500 geopotential meters of the sounding):
- Wind Direction: 205° (from the SSW)
- Wind Speed: 30 knots (35 mph)
Deep Layer Mean Wind (average wind over the depth of the sounding):
- Wind Direction: 230° (from the SW)
- Wind Speed: 23 knots (26 mph)
- Depth of Sounding: From 163mb to 1001mb
Average Wind Over Lowest Available 150 geopotential meters (gpm) of the sounding:
- Lowest 150m: 158 gpm - 8 gpm (518 geo. feet - 26 geo. feet)
- Wind Direction: 200° (from the SSW)
- Wind Speed: 28 knots (32 mph)
Sounding Software Version: AEV 07551
Part B: Data for Significant Levels...
Significant Temperature And Relative Humidity Levels
Level Air Temperature Dew Point
1001mb (Surface) 26.2°C (79.2°F) 23.8°C (75°F)
850mb 18.4°C (65.1°F) 17.1°C (63°F)
712mb 13.0°C (55.4°F) About 7°C (45°F)
543mb -0.3°C (31.5°F) -1.9°C (29°F)
516mb -1.9°C (28.6°F) -4.9°C (23°F)
467mb -6.7°C (19.9°F) -8.1°C (17°F)
433mb -9.7°C (14.5°F) -13.5°C (8°F)
360mb -18.7°C (-1.7°F) -22.1°C (-8°F)
326mb -23.1°C (-9.6°F) About -33°C (-27°F)
266mb -35.3°C (-31.5°F) About -42°C (-44°F)
253mb -38.1°C (-36.6°F) About -48°C (-54°F)
241mb -41.1°C (-42.0°F) About -54°C (-65°F)
229mb -43.7°C (-46.7°F) About -52°C (-62°F)
206mb -50.1°C (-58.2°F) About -62°C (-80°F)
183mb -56.7°C (-70.1°F) Reading usually unavailable when air temp. is below -40°C
163mb -64.5°C (-84.1°F) Reading usually unavailable when air temp. is below -40°C
Significant Wind Levels
Level Wind Direction Wind Speed
1001mb (Surface) 200° (from the SSW) 27 knots (31 mph)
965mb 210° (from the SSW) 32 knots (37 mph)
850mb 215° (from the SW) 26 knots (30 mph)
691mb 210° (from the SSW) 31 knots (36 mph)
649mb 230° (from the SW) 32 knots (37 mph)
602mb 250° (from the WSW) 23 knots (26 mph)
568mb 215° (from the SW) 22 knots (25 mph)
532mb 215° (from the SW) 20 knots (23 mph)
504mb 260° (from the W) 24 knots (28 mph)
481mb 255° (from the WSW) 24 knots (28 mph)
455mb 225° (from the SW) 16 knots (18 mph)
418mb 270° (from the W) 13 knots (15 mph)
408mb 265° (from the W) 10 knots (12 mph)
395mb 270° (from the W) 13 knots (15 mph)
340mb 230° (from the SW) 24 knots (28 mph)
289mb 250° (from the WSW) 28 knots (32 mph)
258mb 250° (from the WSW) 25 knots (29 mph)
232mb 280° (from the W) 17 knots (20 mph)
219mb 260° (from the W) 14 knots (16 mph)
203mb 290° (from the WNW) 14 knots (16 mph)
186mb 260° (from the W) 13 knots (15 mph)
163mb 270° (from the W) 8 knots (9 mph)
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